What is b? how would i find the measure of b?

asked Apr 17, 2023 51.2k views

1 vote

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5 votes

In the given right triangle ABC

we have that

$cos(A)=(AC)/(AB)\text{ ----> by CAH}$

substitute given values

$\begin{gathered} cos40^o=(b)/(280) \\ solve\text{ for b} \\ b=280*cos40^o \\ b=214.49\text{ in} \end{gathered}$

therefore

Pablo Antonio answered Apr 21, 2023

7.9k points

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